fix: settings for apps and projects

add: coolify version config
fix: private key for private git based apps

app/Models/ApplicationSetting.php

@@ -6,4 +6,8 @@ use Illuminate\Database\Eloquent\Model;
 
 class ApplicationSetting extends Model
 {
+    public function application()
+    {
+        return $this->belongsTo(Application::class);
+    }
 }